limit software


Please assist how can we limit the number of use to our software. kinda like if it has been run for 100 times it will no run anymore.

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Éric MoreauConnect With a Mentor Senior .Net ConsultantCommented:
Hi RyanBank,

see the free component: 

junglerover77Connect With a Mentor Commented:
The easist way is to record the used times of your application in Registry or an INI file. When your application starts, just increase the number. If the number reaches 100, then show a message and terminate your application.

But if the users find that key in Registry or the INI file, they can just modify it to break your limit. So, you should also encrypt that number so that users can not understand what it means even if they see it.
iHadiConnect With a Mentor Commented:
Hi RyanBank
I think the following url will help you to reach a solution:
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AlThePal7Connect With a Mentor Commented:
If you are happy with an off-the-shelf solution, you could look at  They claim to offer add-in protection which has never been broken.
RyanBankAuthor Commented:
please kindly assist how can we create a dll (place in system file) and update it as the program has been run.

if the program has been run 100 times dont allow.
RyanBankAuthor Commented:
I have downloaded the active X and added to the form.
Please assist where do I set how many times the applciation can be run?
Éric MoreauSenior .Net ConsultantCommented:
I don't remember. I have used it 4 or 5 years ago. Read the doc.
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